Today
Expect rain. Daytime high +64°, overnight low +59°. Light wind, up to 13 mph. Chance of precipitation up to 100%.
Weather in Summit
United States · Illinois · 41.7881, -87.8103
Today Now 4:09 AM
+59° Overcast
Hourly forecast
Today10/15
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow rain: daytime +61°, nighttime +48°, about 4° colder.
Week
This week temperatures range from +45° to +64°. Warmest day — Thu, up to +64°. Coldest at night — Sat, +45°. Rain on Thu, Fri. Sunshine expected on 5 of seven days. Peak wind: Fri, 18 mph.
Week vs norm
- Today 10/15 +64° +1° usually +63°
- Tomorrow 10/16 +61° −2° usually +63°
- Sat 10/17 +55° −7° usually +62°
- Sun 10/18 +61° as usual usually +62°
- Mon 10/19 +64° +3° usually +61°
- Tue 10/20 +64° +4° usually +61°
- Wed 10/21 +63° +2° usually +60°
- Thu 10/22 +59° as usual usually +60°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 15
Today is a typical day for this date.
- Heat record +74° 1996
- Cold record +31° 2006
- Most precipitation 0.5 in 2017
- Strongest gust 42 mph 2012
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Summit
Today is close to the norm for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +31° / +20° | +25° | 2.5 |
| Feb | +35° / +22° | +28° | 2.2 |
| Mar | +45° / +31° | +37° | 3.0 |
| Apr | +57° / +41° | +48° | 4.3 |
| May | +68° / +53° | +60° | 4.4 |
| Jun | +78° / +63° | +70° | 4.2 |
| Jul | +82° / +68° | +74° | 3.9 |
| Aug | +81° / +67° | +73° | 3.8 |
| Sep | +75° / +60° | +67° | 2.9 |
| Oct | +63° / +48° | +55° | 3.4 |
| Nov | +48° / +36° | +42° | 2.7 |
| Dec | +37° / +26° | +31° | 2.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:03 AM | 6:09 PM
Moon
12:22 PM | 8:55 PM
Moon phase
Waxing crescent 23%
Next solar eclipse
Calculating for this city…